The TemplateConverter can be pointed to TextTemplateConverter component, if you are using the template keywords in your email messages, to translate all the %keywords% in message body and headers of outgoing email, to replace them with actual "Values", specified as the parameters of converter component.

For example, if your message contains keywords like %RECIPIENT_NAME% or %RECIPIENT_EMAIL%, the component will automatically replace them to the actual name and email address of recipient, and the message like